Lucky numbers

My lucky number is: 80

On the number 80 there is a few ways to find how many factors there are. There is the rainbow and a factor tree.


The multiples of 80 are: 1x80=80, 2x80=160,3x80=240, 4x80=320, 5x80=400, 6x80=480,7x80=560, 8x80=640, 9x80=720, 10x80=800
A factor tree of 80 looks like this: 80



2 40



2 20

10
2

10

2


2 5